These country flags are plain red. Pages in category "Red" The following 29 pages are in this category, out of 29 total. A Asturian Socialist Republicball Ayutthaya KingdomballB Bavarian Soviet Republicball Bremen Soviet RepublicballD Donetsk–Krivoy Rog Soviet RepublicballF Finnish Socialist Workers' RepublicballH Hungarian Soviet RepublicballI Imamate of AussaballK Kingdom of Adeetta VansaRawr Kingdom of Soma VansaRawr Kuban-Black Sea Soviet RepublicballL Lithuanian-Byelorussian SSRballM Majeerteen Sultanateball Mughan Soviet Republicball Muscat and Omanball MuscatballO Odessa Soviet Republicball OruroballP People's State of Bavariaball Principality of HungaryrawrS Sheikhdom of Zubarahball Slovak Soviet Republicball Stavropol Soviet Republicball Sultanate of Hobyoball Sultanate of Maldivesrawr Sultanate of MuscatballT Taurida Soviet Socialist Republicball Thonburiball Transcaspian Governmentball Category: Countryballs by color